https://www.neuroinf.org/shop/0015-mhvs15-r-10-recombinant-e-coli-hepatitis-virus-mhv-coronavirs-spike-protein-s1-95-pure-hissize-tag-63-kda-size-10-ug-10837
Recombinant E. coli Hepatitis virus MHV/Coronavirs Spike Protein S1 95% pure, Hissize:tag, ~63 kda...